Videocon D2d — Regarding error shown in some paid channels

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I have activate d2d subscribtion plan of 276/- per month in which many channels activated by d2d . but some channels showns error or not activated but its include in my plan and they charge amount of that channel ex. channel no 101 star plus. i have tieup many time to customer care they all time give same response technician visit to your home and you can pay 300/- . my question is that only one channel has technician problem. or its market strategy